Biden has ways to actually get it re-scheduled without having to bring it to a vote, but it wouldn’t be fully legalized going that route.
That said: republicans are already just obstructing everything they can similar to how they treated obama. There’s also a shot that in 2022 the GOP could regain control of one of the chambers.
I wouldn’t be buying any cannabis stocks. They are operating at a loss in the hopes that they’ll be first to the market when federal legalization happens.